A、
To help monitor the Zika disease more effectively.
B、
To provide more opportunities for the disabled athletes.
C、
To avoid the spread of Zika and the births of malformed babies.
D、
To display the generosity of heart by the World Health Organisation.
【正确答案】
C
【答案解析】
A、
17.
B、
19.
C、
23.
D、
46.
【正确答案】
B
【答案解析】
A、
They were stabbed to death while struggling with the attacker.
B、
They fought against the attacker and snatched the knife from him.
C、
They helped subdue the attacker and saved other people's life.
D、
They prevented a stabbing rampage from getting worse.
【正确答案】
D
【答案解析】
A、
45℃.
B、
50℃.
C、
50.6℃.
D、
51℃.
【正确答案】
C
【答案解析】
A、
Electrostatic charges that can be switched on and off.
B、
Flying microrobots that can be used in natural disasters.
C、
Swarms of cheap robots to fight against forest fires or other natural disasters.
D、
Hovering programmed drones, all around the size of 10 centimeters.
【正确答案】
B
【答案解析】
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